PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202208-18-16BAdapter,straight,tube to Boss

Danfoss Power Solutions II, Llc · NSN 4730-01-175-5443 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-175-5443 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-175-5443. Primary manufacturer part number: 202208-18-16B.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Nominal Thread Size: 1.594 INCHES SECOND END IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION
  • Material: COPPER ALLOY OVERALL
  • Nominal Outside Diameter Tube Accommodated: 1.125 INCHES FIRST END IN
  • Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 1.330 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-175-5443, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-175-5443
Primary Part Number202208-18-16B
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Nominal Thread Size1.594 INCHES SECOND END IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Tube Accommodated1.125 INCHES FIRST END IN
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length1.330 INCHES IN
Criticality Code JustificationZZZY
Thread Series DesignatorUNS SECOND END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Thread Quantity Per Inch20 SECOND END
Thread Class2A SECOND END A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-613-9868202208-18-16B INTERCHANGEABLE
Adapter,straight,tube to Boss
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-175-1135 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-175-7075202220-16-16S INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
4730-01-175-7076 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-01-175-7082 INTERCHANGEABLE
Coupling Half,self-Sealing
4730-01-176-6732 INTERCHANGEABLE
Nut,tube Coupling,reducing
4730-01-177-35185409-S14-6-8 INTERCHANGEABLE
Coupling Half,self-Sealing
Danfoss Power Solutions II, Llc
4730-01-178-8461 INTERCHANGEABLE
Tee,tube
4730-01-178-8463 INTERCHANGEABLE
Tee,tube
4730-01-178-8465 INTERCHANGEABLE
Reducer,tube
Cross-Reference Index
Part NumberManufacturer
202208-18-16B Danfoss Power Solutions II, Llc (USA)
1889863PC157 Naval Ship Systems Command (USA)
2670-57 ITEM 13 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
845-2445071ITEM13 Naval Ship Systems Command (USA)
202208-18-16B Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
503-4556027 Naval Ship Systems Command (USA)
Related Parts
4730-00-613-9868INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202208-18-16B
4730-01-175-1135INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-175-7075INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-16-16S
4730-01-175-7076INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-01-175-7082INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-01-176-6732INTERCHANGEABLE
NUT,TUBE COUPLING,REDUCING
4730-01-177-3518INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
5409-S14-6-8
4730-01-178-8461INTERCHANGEABLE
TEE,TUBE
4730-01-178-8463INTERCHANGEABLE
TEE,TUBE
4730-01-178-8465INTERCHANGEABLE
REDUCER,TUBE
4730-01-178-8466INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
202220-8-8S
4730-01-179-5470INTERCHANGEABLE
COUPLING HALF,SELF-SEALING

Frequently Asked Questions

What is NSN 4730-01-175-5443?

NSN 4730-01-175-5443 is a Adapter,straight,tube to Boss, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-175-5443?

NSN 4730-01-175-5443 has 6 cross-referenced part numbers: 202208-18-16B (Danfoss Power Solutions II, Llc), 1889863PC157 (Naval Ship Systems Command), 2670-57 ITEM 13 (Huntington Ingalls Inc Div Newport News Shipbuilding), 845-2445071ITEM13 (Naval Ship Systems Command), 202208-18-16B (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution) and 1 more.

What NSN replaces 4730-01-175-5443?

There are 12 known substitutes for 4730-01-175-5443: 4730-00-613-9868, 4730-01-175-1135, 4730-01-175-7075 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202208-18-16B?

Key specifications for 202208-18-16B: Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Nominal Thread Size: 1.594 INCHES SECOND END IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION; Material: COPPER ALLOY OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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